64545976 has 16 divisors (see below), whose sum is σ = 132026040. Its totient is φ = 29339040.

The previous prime is 64545973. The next prime is 64545979. The reversal of 64545976 is 67954546.

It is an interprime number because it is at equal distance from previous prime (64545973) and next prime (64545979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64545973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366651 + ... + 366826.

Almost surely, 2^64545976 is an apocalyptic number.

It is an amenable number.

64545976 is an abundant number, since it is smaller than the sum of its proper divisors (67480064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64545976 is a wasteful number, since it uses less digits than its factorization.

64545976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733494 (or 733490 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 64545976 is about 8034.0510329472. The cubic root of 64545976 is about 401.1342307615.

The spelling of 64545976 in words is "sixty-four million, five hundred forty-five thousand, nine hundred seventy-six".